diff --git a/src/objdump.py b/src/objdump.py
index c9c5cbb..55c776b 100644
--- a/src/objdump.py
+++ b/src/objdump.py
@@ -24,8 +24,8 @@ ign_branch_targets = True
 skip_bl_delay_slots = False
 
 skip_lines = 1
-re_int = re.compile(r"[0-9]+")
-re_int_full = re.compile(r"\b[0-9]+\b")
+re_int = re.compile(r"-?[0-9]+")
+re_int_full = re.compile(r"\b-?[0-9]+\b")
 
 
 @dataclass